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<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">An asteroid that is on a collision course with Earth could come very close to the planet, according to the Centre for Near Objects Studies at NASA’s Jet Propulsion Laboratory.</span></span></p>
<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong>Details</strong></span></span></p>
<ul>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The asteroid, dubbed 2018VP, was first discovered at the Palomar Observatory in California’s San Diego County two years ago. A 13-day observational arc followed, after which the asteroid was not detected again.</span></span></p>
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<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">When it was discovered, the asteroid — which has a two year orbital period — was around 2,80,000 miles away from the Earth.</span></span></p>
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<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">NASA has said there is a 0.41 per cent, or 1 in 240 chance that 2018VP1 would impact the Earth. Even if the asteroid does enter our planet’s atmosphere, it is unlikely to cause any harm on November 2.</span></span></p>
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<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">There are estimated to be around 1 billion asteroids having a diameter greater than 1 metre. Objects that can cause significant damage upon impact are larger than 30 metres. </span></span></p>
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<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The Chicxulub impactor, the celestial object that caused the sudden extinction of most dinosaur species 66 million years ago, had a diameter of over 10 kilometres.</span></span></p>
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<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">2018VP1 has a diameter of all but 2 metres, around the size of a small automobile, and would likely burn up into an impressive fireball after entering the Earth’s atmosphere before reaching the ground. </span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Over the years, scientists have suggested different ways to ward off threats of more serious impact events, such as blowing up the asteroid before it reaches Earth, or deflecting it off its Earth-bound course by hitting it with a spacecraft.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The most drastic measure undertaken so far is the <strong>Asteroid</strong> <strong>Impact and Deflection</strong> <strong>Assessment</strong> (<strong>AIDA</strong>), which includes NASA’s <strong>Double Asteroid Redirection Test</strong> (<strong>DART</strong>) mission and the European Space Agency’s (ESA) <strong>HERA</strong>. </span></span></p>
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<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The mission’s target is <strong>Didymos</strong>, a binary near-Earth asteroid, one of whose bodies is of the size that could pose the most likely significant threat to Earth.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">In 2018, NASA announced it had started the construction of DART, which is scheduled to launch in 2021 with an aim to slam into the smaller asteroid of the Didymos system at around 6 km per second in 2022. </span></span></p>
</li>
<li>
<p><span style="font-size:11.0pt"><span style="font-family:"Calibri","sans-serif"">HERA, which is scheduled to launch in 2024, will arrive at the Didymos system in 2027 to measure the impact crater produced by the DART collision and study the change in the asteroid’s orbital trajectory.</span></span></p>
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'description' => '<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong>Issue</strong></span></span></p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">An asteroid that is on a collision course with Earth could come very close to the planet, according to the Centre for Near Objects Studies at NASA’s Jet Propulsion Laboratory.</span></span></p>
<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong>Details</strong></span></span></p>
<ul>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The asteroid, dubbed 2018VP, was first discovered at the Palomar Observatory in California’s San Diego County two years ago. A 13-day observational arc followed, after which the asteroid was not detected again.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">When it was discovered, the asteroid — which has a two year orbital period — was around 2,80,000 miles away from the Earth.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">NASA has said there is a 0.41 per cent, or 1 in 240 chance that 2018VP1 would impact the Earth. Even if the asteroid does enter our planet’s atmosphere, it is unlikely to cause any harm on November 2.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">There are estimated to be around 1 billion asteroids having a diameter greater than 1 metre. Objects that can cause significant damage upon impact are larger than 30 metres. </span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The Chicxulub impactor, the celestial object that caused the sudden extinction of most dinosaur species 66 million years ago, had a diameter of over 10 kilometres.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">2018VP1 has a diameter of all but 2 metres, around the size of a small automobile, and would likely burn up into an impressive fireball after entering the Earth’s atmosphere before reaching the ground. </span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Over the years, scientists have suggested different ways to ward off threats of more serious impact events, such as blowing up the asteroid before it reaches Earth, or deflecting it off its Earth-bound course by hitting it with a spacecraft.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The most drastic measure undertaken so far is the <strong>Asteroid</strong> <strong>Impact and Deflection</strong> <strong>Assessment</strong> (<strong>AIDA</strong>), which includes NASA’s <strong>Double Asteroid Redirection Test</strong> (<strong>DART</strong>) mission and the European Space Agency’s (ESA) <strong>HERA</strong>. </span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The mission’s target is <strong>Didymos</strong>, a binary near-Earth asteroid, one of whose bodies is of the size that could pose the most likely significant threat to Earth.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">In 2018, NASA announced it had started the construction of DART, which is scheduled to launch in 2021 with an aim to slam into the smaller asteroid of the Didymos system at around 6 km per second in 2022. </span></span></p>
</li>
<li>
<p><span style="font-size:11.0pt"><span style="font-family:"Calibri","sans-serif"">HERA, which is scheduled to launch in 2024, will arrive at the Didymos system in 2027 to measure the impact crater produced by the DART collision and study the change in the asteroid’s orbital trajectory.</span></span></p>
</li>
</ul>
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